1. Go to the Customers tab > Customers. Open a project’s context menu, and select Languages.

customer context menu

2. Select “Customised language combinations only” and click the plus (+) symbol next to “Add source language”.

customer language combinations

3. Select source and target languages. Make sure they have been added to the column on the right, then click the Add button.

language combinations

4. The next time you create a project, you can select one of the defined source languages.

limited list of source languages

5. Target languages have been reduced only to those selected for this customer.

limited list of target languages